Home / 74,574.22-102,912.86-40,582.97

Finding the Fourth Proportional to 74,574.22, 102,912.86 and 40,582.97

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Solution

The fourth proportional to 74,574.22, 102,912.86 and 40,582.97 is: 56,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.22 : 102,912.86 = 40,582.97 : x
  2. Step 2: Convert to fraction form
    74,574.22/102,912.86 = 40,582.97/x
  3. Step 3: Cross multiply
    74,574.22x = 102,912.86 × 40,582.97
  4. Step 4: Simplify right side
    74,574.22x = 4,176,509,509.99
  5. Step 5: Solve for x
    x = 4,176,509,509.99/74,574.22
  6. Step 6: Final answer
    x = 56,004.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.